495289321 has 8 divisors (see below), whose sum is σ = 521618400. Its totient is φ = 468986400.

The previous prime is 495289297. The next prime is 495289331. The reversal of 495289321 is 123982594.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 495289321 - 2⁹ = 495288809 is a prime.

It is a super-2 number, since 2×495289321² = 490623022993282082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (495289331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41421 + ... + 52021.

It is an arithmetic number, because the mean of its divisors is an integer number (65202300).

Almost surely, 2^495289321 is an apocalyptic number.

It is an amenable number.

495289321 is a deficient number, since it is larger than the sum of its proper divisors (26329079).

495289321 is a wasteful number, since it uses less digits than its factorization.

495289321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13079.

The product of its digits is 155520, while the sum is 43.

The square root of 495289321 is about 22255.0965174272. The cubic root of 495289321 is about 791.2000779939.

The spelling of 495289321 in words is "four hundred ninety-five million, two hundred eighty-nine thousand, three hundred twenty-one".